<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
    <center>
      <h1>课程表</h1>
      <table border="1">
        <tr>
          <td></td>
          <td>星期一</td>
          <td>星期二</td>
          <td>星期三</td>
          <td>星期四</td>
          <td>星期五</td>
        </tr>

        <tr>
          <td rowspan="4"> 上午 </td>
          <td> &nbsp;</td>
          <td> </td>
          <td> </td>
          <td> </td>
          <td> </td>
        </tr>

        <tr>
          <td> &nbsp;</td>
          <td> </td>
          <td> </td>
          <td> </td>
          <td> </td>
        </tr>

        <tr>
          <td>&nbsp; </td>
          <td> </td>
          <td> </td>
          <td> </td>
          <td> </td>
        </tr>

        <tr>
          <td>&nbsp; </td>
          <td> </td>
          <td> </td>
          <td> </td>
          <td> </td>
        </tr>

        <tr>
          <td colspan="6" align="center">午休</td>

        </tr>

        <tr>
          <td rowspan="4" align="center">下午</td>
          <td>&nbsp; </td>
          <td> </td>
          <td> </td>
          <td> </td>
          <td> </td>
        </tr>

        <tr>
          <td> &nbsp;</td>
          <td> </td>
          <td> </td>
          <td> </td>
          <td> </td>
        </tr>

        <tr>
          <td> &nbsp;</td>
          <td> </td>
          <td> </td>
          <td> </td>
          <td> </td>
        </tr>

        <tr>
          <td> &nbsp;</td>
          <td> </td>
          <td> </td>
          <td> </td>
          <td> </td>
        </tr>
      </table>

    </center>


</body>
</html>